Replace uses of os.Create with os2.Create within backup/restore workf… #616

Job	Run time
Build and push lite (latest)	4m 38s
Build and push vttestserver (mysql80)	3m 3s
Build and push lite (mysql84)	4m 36s
Build and push vttestserver (mysql84)	2m 55s
Build and push lite (percona80)	4m 34s
Build and push (bullseye, vtadmin)	1m 47s
Build and push (bullseye, vtorc)	1m 15s
Build and push (bullseye, vtgate)	49s
Build and push (bullseye, vttablet)	57s
Build and push (bullseye, mysqlctld)	53s
Build and push (bullseye, mysqlctl)	1m 12s
Build and push (bullseye, vtctl)	1m 18s
Build and push (bullseye, vtctlclient)	52s
Build and push (bullseye, vtctld)	2m 1s
Build and push (bullseye, vtctldclient)	52s
Build and push (bullseye, logrotate)	37s
Build and push (bullseye, logtail)	28s
Build and push (bullseye, vtbackup)	52s
Build and push (bullseye, vtexplain)	1m 10s
Build and push (bookworm, vtadmin)	1m 48s
Build and push (bookworm, vtorc)	1m 7s
Build and push (bookworm, vtgate)	1m 13s
Build and push (bookworm, vttablet)	1m 3s
Build and push (bookworm, mysqlctld)	1m 1s
Build and push (bookworm, mysqlctl)	1m 7s
Build and push (bookworm, vtctl)	1m 3s
Build and push (bookworm, vtctlclient)	1m 1s
Build and push (bookworm, vtctld)	1m 50s
Build and push (bookworm, vtctldclient)	1m 13s
Build and push (bookworm, logrotate)	43s
Build and push (bookworm, logtail)	46s
Build and push (bookworm, vtbackup)	1m 4s
Build and push (bookworm, vtexplain)	1m 13s
Slack Notification if failed	0s
	51m 1s

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